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Java - sending HTTP parameters via POST method easily
...ot of boilerplate, error prone code. I needed a lightweight wrapper for my Android projects and came out with a library which you can use as well: DavidWebb.
The above example could be written like this:
Webb webb = Webb.create();
webb.post("http://example.com/index.php")
.param("param1", ...
Replacing all non-alphanumeric characters with empty strings
... {IsDigit} doesn't work for me and {Digit} does is that I'm trying this on Android. And Android has UNICODE_CHARACTER_CLASS turned on by default. Thanks for clearance.
– Jakub Turcovsky
Apr 30 '18 at 11:28
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How to return a result (startActivityForResult) from a TabHost Activity?
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Oh, god! After spending several hours and downloading the Android sources, I have finally come to a solution.
If you look at the Activity class, you will see, that finish() method only sends back the result if there is a mParent property set to null. Otherwise the result is lost.
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Is dp the same as dip? [duplicate]
... with "sp".
What is the difference between "px", "dp", "dip" and "sp" on Android?
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MIT已升级2.74版本，中文网已完成升级 - App Inventor 2 中文网 - 清泛IT社...
...时工作区会自动滚动
新的渲染引擎
错误修复：
修复 Android 应用编译中的回归问题
修复垃圾桶中的项目可以在启动时加载的问题
修复标题栏不会出现在具有设备默认主题的编译应用中的问题
修复应用可能无法在没有 Web ...
ListView/ListPicker搜索框字体大小无法设置？源码分析与解决方案 - App应...
...Adapter），不影响搜索框。
搜索框的字体大小完全使用Android EditText的系统默认值（通常是18sp），源码中从未调用txtSearchBox.setTextSize()。
2. ListPicker组件
情况更糟。ListPicker的搜索框在ListPickerActivity中创建，同样是硬编码：
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How to set a bitmap from resource
... v.getContext().getResources(),
R.drawable.android_logo
);
Now you can use this bitmap object, whether you want to store it, or to use it in google maps while drawing a pic on fixed latitude and longitude, or to use some where else
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What's the difference between detaching a Fragment and removing it?
In the Android docs for a FragmentTransaction I noticed two very similar methods: detach and remove . The descriptions over there don't seem to provide much insight about when to use each, and from what I can tell they appear to be the same.
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How to resize a custom view programmatically?
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Android throws an exception if you fail to pass the height or width of a view.
Instead of creating a new LayoutParams object, use the original one, so that all other set parameters are kept. Note that the type of LayoutParams...
java.util.Date vs java.sql.Date
...time functionality is back-ported to Java 6 & 7 in ThreeTen-Backport.
Android
Later versions of Android bundle implementations of the java.time classes.
For earlier Android (<26), the ThreeTenABP project adapts ThreeTen-Backport (mentioned above). See How to use ThreeTenABP….
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